re PR target/27230 (many obj-c++.dg tests ICE in rs6000_output_function_epilogue)

	PR target/27230
	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
	C++ lang type in traceback table for Objective-C++.

	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.

From-SVN: r113130

gcc/ChangeLog

+2006-04-21  Alan Modra  <amodra@bigpond.net.au>
+
+	PR target/27230
+	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
+	C++ lang type in traceback table for Objective-C++.
+
+	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
+
 2006-04-20  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* config/i386/i386.c (asm_preferred_eh_data_format): Reformat.

gcc/config/rs6000/rs6000.c

@@ -5963,7 +5963,7 @@ rs6000_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p)
       if ((n_reg == 2 && reg != gpr) || n_reg > 2)
 	{
 	  /* Ensure that we don't find any more args in regs.
-	     Alignment has taken care of the n_reg == 2 case.  */
+	     Alignment has taken care of the n_reg == 2 gpr case.  */
 	  t = build2 (MODIFY_EXPR, TREE_TYPE (reg), reg, size_int (8));
 	  gimplify_and_add (t, pre_p);
 	}
@@ -15326,7 +15326,8 @@ rs6000_output_function_epilogue (FILE *file,
 	 official way to discover the language being compiled, so we
 	 use language_string.
 	 C is 0.  Fortran is 1.  Pascal is 2.  Ada is 3.  C++ is 9.
-	 Java is 13.  Objective-C is 14.  */
+	 Java is 13.  Objective-C is 14.  Objective-C++ isn't assigned
+	 a number, so for now use 9.  */
       if (! strcmp (language_string, "GNU C"))
 	i = 0;
       else if (! strcmp (language_string, "GNU F77")
@@ -15336,7 +15337,8 @@ rs6000_output_function_epilogue (FILE *file,
 	i = 2;
       else if (! strcmp (language_string, "GNU Ada"))
 	i = 3;
-      else if (! strcmp (language_string, "GNU C++"))
+      else if (! strcmp (language_string, "GNU C++")
+	       || ! strcmp (language_string, "GNU Objective-C++"))
 	i = 9;
       else if (! strcmp (language_string, "GNU Java"))
 	i = 13;